The Samix TRF419 Aluminum Main Chassis is a great option for anyone running a TRF419! Machined from high quality 7075 Aluminum, this 84mm wide "narrow" chassis is stiffer than stock and recommended for high traction surfaces. The black anodized finish features a chamfered edge to create a striking overall package with just the right amount of bling and the included 30mm fan mount will help to keep your motor cool in the heat of competition. Package includes one chassis plate, battery guard plates, 30mm fan mount and hardware.